Granted Patent
Utility
US 4,429,122 · App. 06/369,995
Separation of saccharides
Inventor:
Joseph J. Zupancic
Patented Case
View Patent ↗
Granted: Jan 31, 1984
Filed: Apr 20, 1982
Inventor
Joseph J. Zupancic
Assignee (at issue)
UOP LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.